﻿// See https://aka.ms/new-console-template for more information
Console.WriteLine("------ 字符串操作 ------");


char[] letters = { 'H', 'e', 'l', 'l', 'o' };
Console.WriteLine("Greetings: {0}", new string(letters));



// 方法返回字符串
string[] sarray = { "Hello", "From", "Tutorials", "Point" };
Console.WriteLine("Message:{0}", string.Join(" ", sarray));















